Foam Roof Insulation Board

Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.

Foam roof insulation board.

Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more. Insulating boards are just one of the many types of foam insulation. Shop at lowe s to find the foam sheeting you need for your next insulation project. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation 18 98 18 98.

The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. High thermal closed cell polyisocyanurate foam core insulation board bonded in the foaming process to duraboard. Consider using spray foam insulation as well to seal smaller cracks and gaps. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems.

Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. Owens corning foamular 150 1 in. Set your store to see local availability. Click to add item johns manville fiberglass face polyiso roof decking insulation 4 x 8 to the compare list.

It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Ft to the compare list. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. Buy 48 or more 15 18.